Cutting-machine for tailors&#39; soap-chalk



H. NJSTEINMAN.

CUTTING MACHINE FOR TAILORS SOAP CHALK:

APPLICATION FILED OCT. 11. 1911.

1,333,740. Patented Mar. 16,1920.

3 SHEETS-SHEET I.

"Ill! N m Nu as flurry/K 5/61 72277472 H. N. STEIN-MAN. CUTTING MACHINE FOB TAILORS SOKP CHALK. APPLICATION HLED OCT. H, 1917.

1,333,740. Patented Mar. 16K; 1920.

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W IE E I %W4rr /%S/e/r7m47z by r my jig 19" H. N. STHNMAN.

CUTTING MACHINE FOR TAILORS SOAP CHALK.

APPLICATION FILED OCT. II, 1917.

1,333,740. Patented Mar. 16, 1920.

3 SHEETS-SHEET 3.

3: 360 v Ev v '51 ir il r w usua ey' omes a c a t g Ya b r PiQ SL-Q QQP 'i he k hic re lth ieflthe e geincrease n g 7 thickness to the centerifiAfn objef '20 and a thick edge "is then. resented make ae u retim k n c is -3 2l.Q lQ- I hl$ ven o pr vide-a machine byl'u'se of'whichfav tailofjmay.

r "all whom it 4 i I u irm-mcmwsnew sciir-ciigpip a citizen of thwnited States,' end 'resig dent of the city: for Pittsburgh, in county of. Allegheny. and State of Pennsylvania,

U have invented new; and i'u sil'll}, 'Im' provementsfiiij,Cutting Machines' for -Tail-,. horse" SOap-Chialkyand I dofhe'reby declare rtli at theffollowing is, a full, clear, and exact' description of the same, reference had web accompanyin 'drawingsfiand to the numerals of reference marked; thereon, which form-a part of this specificationf "thin edge] presented until the ,e ntire. ;chall a-machinefor'cuttin Itailors" V xes'con' This nvention relates-V to improvement' s i'n "to this chalkTis that the thi i 1 e ge; Soon u d'vp ve s f r-sweepe :Ili .is'also an object'of this invention, ;to c

* laofprovidef amachine'cof the class specified by means of which tailors?" chalk may be 'reembodying my invention 7 duced to a-uniform'thickness and to provide a machine cheap to construct and simplein; operation. c Y v The invention 7 (in aijireferredlform) is illustrated. in "the drawings and hereinafter more fullj described.

On the drawings:

Figure ljis a, side elevatio nfof a machine Fig; 2 is'an endfelevation thereof. 7

a Fig. 3 is'ia top plan view with thetop v plateomitted. V ;1 Fig. 4-is an en the machine;

' forlithe chalk. g

y g Fig. 6 'is a sectional detail illustrating a part of the gearing mechanism? 7 I Fig. 7 is. a vi "w partly'in section and illustrating the carriage f with parts omitt d Fig. 8 is-a viewiof one of the'cut'te'rsl' 3 V Fig.9is a plan viewof the finished chalk;

I 1,' indicates a. table, bench or shelffto As shown on the drawings:

I Specification '01! Letters latent. Q

tach machine 'tqfthetable 1 ,firooved Ways are "p zQl t l n a V, ri e: is adapted to "niOVG-IQI Said carriage comprises side 'me'lnb s;12+13,' imovab'lefin said ways which are" larged fragmentary of the cutting mechanismy Fig. 5 i's' alongitudinalvertical sectionof chine. {comprises a frame consisting o (a l tes,havin k'tr nsversebottom a s tsp s secured 'Iplate a members: 3-4 ,fftoj wh member 5, by "means screws Rigijdly j acts with a clamping jaw, 9, "to

R y i' ecurie zlto salds r sibars M seb latchedv tb carriage on which aresecured two sets of snugly between the merhberslQ- lg and the: rack bar 15,"and clamping-bar 17.. These.

-' shafts "are,placed a distance apart, suchthat the space betweenthe sets of cutter wheels is equal.tothe thickness that it isrdesired' to] have the finished chalk. 7' I r a The gearing oractuatingfmechanism isso proportioned that the cutters are revolved ata high rate of speed toefiect the cutting I and: the carriage is actuated at a slow rate} of speed. V

For-this purpose a shaft 25, is journaled. I

in the plates 25,'be1ow the' carriage having anf'actuating crank or handle 26, secured on {one end thereof. "A shaft, 27 is-also 'journa1edsaid" plates belowTa dlparallel' V 7 with theshaft 25.; Rigidlfy secured-for" keyed on shaft 25 is a p nion 28, meshing 10'5" with a gear 29, keyedton shaft 27. iApinion 30 keyed on shaft 27, meshes with a gear I j-31,*'loose1y-journaled on shaft-L 25, onthe t V,

hubof, which-a inion 32, is rigidly secured f which meshes with the rack? bar 15, whereby 11 the carriage is advanced orf retracted.

I Keyed or. otherwise rigidly secured on "pla e; PAISQthe widti r V v 17, andrack are e ual t0 the width of i the fingergrip 38, whigh the end of shaft 25, is a gear33, which in turn meshes With a pinion 34', on cutter shaft 22, and intermeshing gears Sue-#36, are rigidly secured on the cutter shafts 21-22 vby means'of which both aredri'ven simul-fi taneously at the same speed.

Of comsethe cutters-may be of an suit-. f able construction but as ShOWIl in F g, 8,,

each has a plurality of tangentially directed knivespr cutter eeth 37- g r [The epertienis'asfdbws: V I f- The blanks cf chalk are; placed in the carri ge iene between each x pair of spacing lugslG, and the elainpingfbar 17, is hooked in placewhieh firml or the clamping bar "is left on the chalk for eonvenience of, handling the chalk,

j Aft r the lehalkjis jinplace, the handle 26,

r is "Beta/ted Which ,ed'va'n c es "the "carriage slowly'to bringthe chalk into the .fieldicf operation let the cutters f'which are rapidly rotating, one set acting upwardly and one set downwardly 0n the chalk passing therebetween teeut the' chalk dewn to the thick-- desired ofyeourse, the/central part 38, of the" chalk between the-reek '15 and. bar-117 is leftnncrittdprox'zide a finger-grip for usin the-chalk; j U r r n L Theihalk :in itsfinished state is i11us= tralted in Fig 9,fand it will be seen that bet/h SidS i3 9 l(),aiie thin so that a fine line be made untilthe chalk' is used 1113' thereby assuring-- accluracy' in marking the cloth. y i

I I have shown a very. simple? retains the ehelk' n et efficient for cutting-tailors cha k and it is obvieusthat many changes may be made and details may be varied through a Wide range without departing-from the principles of my invention. desire to limit the patent when issued otherwise than necessitated by the prior art.

i ,I claim as my invention:

'1, "In a device 'of the class described, a,

I therefore do not carriage "for" containing and advancing chalk and substantiall, eylindrical peripheral cutters above an' h lp' e d. n b sides ftheearriage adapted revolve abput axles sluhs'tantially 'arallel, to the transverse, Center line cf the chalk acting v2.7111121 device of t f nclasstdes r b means for containing a pieeeqf'fi halk, ands iinultanecnsly jte reduce the thickness cf 7 the chalk 011 both sides of the center portion;

means for" simultaneously "reducing the thickneSson hloth sidescf the center portion of the chalkiei d tofa' substantially uniferm extent from" ea h si ge o said eeter portion. "3. In

a jjdei icejef the class described, a

calri-agef or supgicrting a piece cf chalk,"

- RB nfermentin r fj-Witnesses;

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